After all, the Arduino boards come with a host of benefits that make them an excellent choice for a wide array of applications. They feature analog pins ... an ATmega328, while the Uno sports ...

The aptly named “Nano DIP,” which at 33 mm x 10 mm — about the same size as the ATmega328 on the Arduino Uno — will tickle ... built-in LEDs, 5 V regulator, and preloaded bootloader.

In one of the lowest spec examples of the last one, [gvl610] has got an up-to-date Linux kernel to boot on a vanilla Arduino Uno ... as the ATmega328 in the Uno has no MMU and is in to way ...